Battery pack



FIG. 1 is a front view of a battery pack.

FIG. 2 is a left side view of the battery pack.

FIG. 3 is a right side view of the battery pack.

FIG. 4 is a bottom view of the battery pack.

FIG. 5 is a top view of the battery pack; and,

FIG. 6 is a front perspective view of the battery pack.

CLAIM The ornamental design for a battery pack, as shown and described.